If ATP is hydrolyzed in a test tube, which of the following effects indicates that the reaction is exergonic?

If ATP is hydrolyzed in a test tube, which of the following effects indicates that the reaction is exergonic?Select one of the options below as your answer: A. Release of energy drops the temperature in the test tube. B. Release of energy has no effect on the surroundings. C. Release of energy heats the surrounding water in the test tube.